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- (a) Why cyclohexene and cyclohexa-1,3-diene are expected to undergo addition reaction but benzene does not? Explain clearly. (b) Why is an electron-donating group to benzene activating and usually a/an ortho/para director?Which of the following compounds cannot react as a diene in a Diels-Alder reaction ( question to the E3 image)Consider a traditional Diels Alder reaction noting it's methodology and synthetic tactical. Then propose an alternative, greener synthetic route to make the same product with near or same enantioselectivity.
- Bromide Bhas normal activity (for a secondary bromide) towards SN1 substitution, but A has much higher reactivity and Chas much lower reactivity.What diene and dienophile are needed to prepare attached compound by aDiels–Alder reaction?Please Explain in details and steps for this Diels-Alder reaction and the obtained product. i want the full mechanism also. thank you
- Select the product this Diels-Alder reaction?Compounds containing triple bonds are also Diels–Alder dienophiles. With this in mind, draw the products of each reaction.What is the product E and how is it formed? Can this be explained using frontier molecular orbital analysis? What would the regiochemistry and stereochemistry be?
- Draw the products of the attached Diels–Alder reactions. Indicatestereochemistry where appropriate.Refute or Defend: Once cyclopentadiene is distilled, it can be stored for a long period of time (e.g., weeks) before using it in a Diels-Alder reactionThe molecule in the box is the product of a diels alder reaction. Which of these is the dienophile in that reaction ? A B C D or E?